Study population demographics
| Overall % | |
| Number of patients | n=10 938 |
| Females | 53.5 |
| Males | 46.5 |
| Mean Age | 80.2 years, SD 8.1 |
| Race | |
| Non-Hispanic White | 80.9 |
| Black | 8.7 |
| Hispanic | 2.7 |
| Asian | 5.5 |
| Other | 2.2 |
| Insurance status | |
| Self-pay | 0.7 |
| Medical | 2.2 |
| Medicare | 85.3 |
| Private | 11.7 |